// 闪烁的led at89c55
#include <reg52.h>
sbit P1_0 = P1^0;
void short_delay(unsigned int t) {
    unsigned int i;
    for (i = 0; i < t; i++);
}
void main()
{
	while(1)
	{
		P1_0 = 1;
		short_delay(10000);
		P1_0 = 0;
		short_delay(10000);
	}
}
